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Finding the Fourth Proportional to 650,555.25, 898,320.29 and 409,241.67

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Solution

The fourth proportional to 650,555.25, 898,320.29 and 409,241.67 is: 565,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,555.25 : 898,320.29 = 409,241.67 : x
  2. Step 2: Convert to fraction form
    650,555.25/898,320.29 = 409,241.67/x
  3. Step 3: Cross multiply
    650,555.25x = 898,320.29 × 409,241.67
  4. Step 4: Simplify right side
    650,555.25x = 367,630,093,628.28
  5. Step 5: Solve for x
    x = 367,630,093,628.28/650,555.25
  6. Step 6: Final answer
    x = 565,102.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.